- convexoid operator
- мат. выпуклоидный оператор
Большой англо-русский и русско-английский словарь. 2001.
convexoid operator
Смотреть что такое "convexoid operator" в других словарях:
Convexoid operator — In mathematics, especially operator theory, a convexoid operator is a bounded linear operator T on a complex Hilbert space H such that the closure of the numerical range coincides with the convex hull of its spectrum. An example of such an… … Wikipedia
Numerical range — In the mathematical field of linear algebra and convex analysis, the numerical range of a square matrix with complex entries is a subset of the complex plane associated to the matrix. If A is an n × n matrix with complex entries, then… … Wikipedia
